Designed by Jeff Levine, Sign Expert JNL is a display serif font family. This typeface has two styles and was published by Jeff Levine Fonts . Sign Expert JNL An elegant, yet informal Roman alphabet with Art Nouveau influences was found amidst the pages of the 1922 edition of “The Expert Sign Painter”. It is now available digitally as Sign Expert JNL in both regular and oblique versions. Sign Expert JNL Download Now View Gallery